CVE-2021-38611

A command-injection vulnerability in the Image Upload function of the NASCENT RemKon Device Manager 4.0.0.0 allows attackers to execute arbitrary commands, as…

published August 24, 2021

CVSS
—
EPSS
2%
Percentile
79.9
In the wild
Unconfirmed
What it is

🚨 A command injection vulnerability in NASCENT RemKon Device Manager 4.0.0.0 could let attackers execute arbitrary commands as root just by cleverly naming a file! 🔥 Think of it like a hotel where guests can check in with any name they like, including the name of a VIP that grants them access to the penthouse suite without any verification. The filename here acts as that unchecked guest list — anyone can sign in and cause chaos! If exploited, an attacker can execute any command on the system with root privileges, potentially compromising the entire device. This could lead to data theft, system manipulation, or even taking the device offline entirely — a nightmare scenario for any organization relying on this device!

Put simply

Think of it like a hotel where guests can check in with any name they like, including the name of a VIP that grants them access to the penthouse suite without any verification. The filename here acts as that unchecked guest list — anyone can sign in and cause chaos! This command injection vulnerability occurs through the filename parameter in the Image Upload function of the NASCENT RemKon Device Manager. By using shell metacharacters, attackers can craft filenames that execute arbitrary commands when processed by assets/index.php.

What to do

If exploited, an attacker can execute any command on the system with root privileges, potentially compromising the entire device. This could lead to data theft, system manipulation, or even taking the device offline entirely — a nightmare scenario for any organization relying on this device! To remediate this vulnerability, update NASCENT RemKon Device Manager to the latest version immediately. Additionally, implement input validation to sanitize filename parameters and prevent malicious command execution. You've got this! With these steps, you can secure your devices and keep your systems safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01935 · 79.9th percentile
Published
2021-08-24T11:05Z
EPSS history
Timeline
  • 24 AUG 11:05Z
    A command-injection vulnerability in the Image Upload function of the NASCENT RemKon Device Manager 4.0.0.0 allows attackers to execute arbitrary commands, as…
    cvelistv5